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Home >> Hummer >> 2009 >> H3 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - Introduction >> Repair Instructions >> Fuel Injector Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of Fuel Rail Assembly With Injectors
    GM1565311Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement .
  2. Disconnect the fuel injector harness electrical connector from the fuel injector.
  3. Remove and discard the fuel injector retainer clip.
  4. Pull the fuel injector from the fuel rail.
  5. Fig 2: View Of Fuel Injector, Clip & O-Rings
    GM351185Courtesy of GENERAL MOTORS CORP.
  6. Remove and discard the fuel injector O-ring seals (2, 4) from both ends of the fuel injector (3).